/Engine/Source/Runtime/MovieScene/Public/Channels/MovieSceneInterpolation.h
Construction as a linear interpolation
FCachedInterpolation ( const [FCachedInterpolationRange](API\Runtime\MovieScene\Channels\FCachedInterpolationRange) & InRange, const [FLinearInterpolation](API\Runtime\MovieScene\Channels\FLinearInterpolation) & Linear )